Home / 131,908.60-197,733.30-117,911.80

Finding the Fourth Proportional to 131,908.60, 197,733.30 and 117,911.80

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Solution

The fourth proportional to 131,908.60, 197,733.30 and 117,911.80 is: 176,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908.60 : 197,733.30 = 117,911.80 : x
  2. Step 2: Convert to fraction form
    131,908.60/197,733.30 = 117,911.80/x
  3. Step 3: Cross multiply
    131,908.60x = 197,733.30 × 117,911.80
  4. Step 4: Simplify right side
    131,908.60x = 23,315,089,322.94
  5. Step 5: Solve for x
    x = 23,315,089,322.94/131,908.60
  6. Step 6: Final answer
    x = 176,751.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.